Abstract
We show that the idea of mapping between the Newtonian and Brownian diffusivities proposed and tested on a class of particle systems interacting via soft and ultra-soft potentials (inverse-power-law, Gaussian core, Hertzian, and effective star-polymer) by Pond et al. [Soft Matter 7, 9859 (2011)] is also applicable to the Yukawa (screened Coulomb) interaction. Some consequences of this result with respect to self-diffusion in strongly coupled complex (dusty) plasmas are discussed.
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